2.2.1.1.3 Version-Specific Aspects of Connection Types Relevant to a Resource Manager

The following table shows version-specific aspects for connection types that are relevant to resource managers. These include connection types and messages that are supported on certain MSDTC Connection Manager: OleTx Multiplexing Protocol [MS-CMP] versions as well as messages whose size is version specific. If a connection type or message that is relevant to resource managers is omitted from this table, then it is not version specific and MUST be supported on all versions.

Version-specific aspect

V1

V2

V4

V5

V6

Version supports connection type

CONNTYPE_TXUSER_PHASE0

No

Yes

Yes

Yes

Yes

Version supports connection type

CONNTYPE_TXUSER_RESOURCEMANAGERINTERNAL<8>

No

No

No

Optional

Optional